Printing telegraph projecting machine



1936- A. K. HANKS 2,050,317

PRINTING TELEGRAPH PROJECTING MACHINE Original Filed Feb. 27, 1924 2Sheets-Sheet 1 m lNV-ENTOR ATTORNE Aug. 11, 1936. K, HANKS 2,050,317

PRINTING TELEGRAPH PROJECTING MACHINE Original Filed Feb. 27, 1924 2Sheets-Sheet 2 T" .1. g. E 5

INVENTOR Patented Aug. 11, 1936 UNITED STATES PATENT OFFICE MAC AustinK. Hanks, Forest Hills, N. Y., assignor to Trans-Lux Daylight PictureScreen Corporation, New York, N. Y., a corporation of DelawareApplication February 27', 1924, Serial No. 695,418 7 Renewed April 1,1936 14 Claims.

My invention relates to projection apparatus for use with printingtelegraph machines and especially to the type of machine known as astock ticker" generally used in the oilices of stock brokers.

The object of my invention is to provide a method of and apparatus forprojecting the characters printed on a tape by the stock ticker, to ascreen'whereon the characters will appear to an audience in their properrelation to permit reading.

A further object is to provide an apparatus and screen by means of whichthe characters projected on the screen may be clearly observed in thedaylight.

A further object is to provide an'apparatus which is adapted anddesigned to repeat the characters first shown on the screen whileprojecting new characters thereon, each set of characters beingsimultaneously displayed in separate alignments.

It is well known that in printing the stock quotations on a tape theprinting telegraph machine, hereinafter referred to as a ticker prints aparagraph in a condensed form such as AM-CAN 68 on the tape which passesthrough the machine or ticker, and after printing these characters thereis a pause or rest period before the next item or quotation is printed.

My apparatus is designed to project one or more of such items in onealignment, that is, the words being in alignment and the figures beingoffset relative thereto as they appear on the tape, the said item firstbeing displayed on the top portion of the screen, then as further itemsappear in the top portion of the screen, the items first appearing inthe top portion disappear from the top line and appear on the secondline located below the top line on the screen, and then pass from thetop line and again appear on the third line of the screen which islocated below the second line, etc., so that the items are on the screenfor a considerable period of time for observation by the audience whilethey remain at rest between the pauses of the ticker and during the timeperiod of rest while the characters are being printed by the ticker, asthe projection apparatus receives the tape and projects the items intimed relation with the movement of the tape through the ticker.

I prefer to use a translucent daylight picture screen for use with myapparatussince it perinits the images to be projected on the backthereof and viewed from the front side thereof, and therefore it .willbe understood that the letters NAG-MA projected on the backof the screenwould appear as AM-CAN to those viewing the screen from the front ordisplay side thereof. If, however, it is desired to show the characterson an opaque screen by reflection, this 5 may also be accomplished withmy apparatus.

Referring to the drawings which form a part of these specifications:

Figure 1 is a vertical sectional elevational view through one of thelens units of the apparatus. 10 Figure 2 is an inverted plan viewshowing the apparatus partly in section.

Figure 3 is a front sectional view taken on line XX of Figure 1.

Figure 4 is an illustrational diagrammatic view 15 illustrating the tapeused in the machine and the arrangement of the characters as they appearwhen viewed from a point behind the screen.

Referring to Figure 3, the tape is indicated by A and is printed by theusual printing characters 20 used in the tickers comprising wheelsindicated by 3-3 respectively, between which the tape passes. C-Crespectively indicate two rollers which frictionally engage the tape Aand pull it taut as fast as it is released from the wheels BB. 5 andtherefore the length of tape between the wheels B and C moves in timedrelation with the movement of said wheels BB. D indicates a casing,preferably made of sheet metal, in which is located a number of lamps,E-EE respeco tively with reflectors E'E'-E' respectively, and condensersF-F-F respectively. The casing D is provided with an extension D whichis divided into three compartments indicated by G-G' and G respectivelyby partitions G G etc., and a 5 reflecting mirror H is located in theouter end of each compartment, and inclined relative to the axis of thecondensers at an angle of 45 deg. Located under each of the mirrors Hare lenses 1-1 and I respectively and directly below said lenses is aguide-plate .1 which is carried by the extension D, and which isprovided with openings D formed directly below the lenses is to permitlight projected through the condensers and reflected by the mirrors H,to pass freely through said openings to the image forming lenses K--K'and K respectively which are carried by the extension D and locatedbelow the lenses II' and F respectively, and below each of the lensesK--K' and K are mirrors L-L' and L respectively, adapted to reflect theimage formed to a screen M. It will be observed that each compartmentwith the lamp and lenses associated therewith forms a projection unit,and while but three are shown herein, more may be used if found to bedesirable., 55

Each of the mirrors or reflectors LL' and 1.. are relatively inclined toa degree suiflcient to reflect the image formed by its co-operatinglens, to a different position of alignment on the screen so that theimage formed by thelens K is projected to the top line of the screen,the lens K, to the centre line and the lens K to the bottom line orspace, as illustrated in Figure 4.

The tape A used with my apparatus is transparent and the charactersprinted thereon are opaque, and as the tape passes from the tickerthrough the projection apparatus the characters thereon are projected onthe back of the screen and appear in black on a light grey background byreason of the translucent material of which the screen is composed. Thisapparatus and screen properly installed in a stock exchange room inwhich trading is carried on, could be viewed by all the members on thefloor at the same time, thus servinga very useful purpose.

It will be understood that specific changes may be made in theapparatuswithout departing from the scope of the invention disclosed,such as using prisms in place of the mirrors L-L and L and using more orless of the units above referred to, etc., and I therefore do not wishto be limited in this respect except as to the'degree defined in theclaims.

Having thus described my invention I claim as new:

1. A projection apparatus comprising two or more projection units, eachunit having an image forming lens, means for-supporting and guiding atape having characters thereon in operative relation to the said lens ofsaid units, and a separate mirror located in operative relation witheach of said lenses to reflect the image formed by the lens, to a screenso that the same characters on the tape will be brought into operativerelation with each unit whereby they may be repeatedly projected on thescreen.

2. A projection apparatus comprising a casing having a plurality ofchambers formed therein, a lamp located at one end of each of saidchambers, a lens held at the opposite end of each of said chambers, areflector located adjacent each of said lenses to change the directionof the light rays and cause them to flow through said lenses, means forsupporting a character bearing tape below said lenses, an image forminglens located in axial alignment with each of said last named lenses, andlight reflecting means located adjacent each of said image forminglenses to reflect the characters on the tape to a screen.

A projection apparatus comprising a casing having a plurality ofchambers formed therein, a lamp located at one end of each of saidchambers, a lens held at the opposite end of each of said chambers, areflector located adjacent each of said lenses to change the directionof the light rays and cause them to flow through said lenses, an imageforming lens located in axial alignment with each of said last name'dlenses, a movable character tape and light reflecting means locatedadjacent each of said image forming lenses to reflect the characters onthe tape to a screen, each of said means being set at a different anglerelative to each other to cause the characters to appear at relativelydifferent places on said screen.

4. In combination, a tape having a plurality of characters thereon, anda plurality of projection systems arranged in a horizontal plane eachhaving means to project a section of the tape upon different horizontalpositions on a screen.

5. In combination, a plurality of projection systems arranged in ahorizontal plane, a tape,

means for feeding the tape through the projection systems in succession,a screen upon which each system is adapted to project a section of the 5tape as it passes through said system, and means in each system toproject said section of tape upon different horizontal planes of thescreen from the others.

6. In combination, a plurality of projection systems arranged in ahorizontal plane, a tape, means for feeding the tape through theprojection systems in succession, a screen upon which each system isadapted to project a section of the tape as it passes through saidsystem, and means in said systems to project said sections of tape inseparate horizontal rows upon said screen.

7. A projection apparatus comprising a plurality of projection units,each unit having an image forming lens, means for supporting and guiding20 ,a tape having characters thereonin operative relation to said lensof said unit, and separate mirrors located in operative relation witheach of said lenses, said mirrors being inclined at difierent anglesrelative to each other, whereby the image 25. formed by the lens isprojected in difierent horizontal positions on to a screen.

8. The combination with a ticker tape having printed thereon a singlerow of successive con-.

figurations, of a plurality of adjacent light aper- 30 tures disposed tothe rear of said tape so that the light rays from said apertures willsimultaneously be projected through successive adjacent portions of thetape and project images of the printed matter formed on said tape, alens 35 for each light aperture to receive the images projected from itslight aperture, a screen for receiving the images of the printed matterso projected, and means for preventing the superimposition upon saidscreen of any image upon another image including reflecting means forintercepting the images projected from some of said lenses and directingthem onto said screen to reproduce the printed matter on said tape inits original order of printing.

9. An apparatus for projecting images of the characters writtenlengthwise on stock ticker tape, said apparatus comprising a pluralityof projection systems, means for feeding said tape through saidprojection systems in succession, a screen upon which each system isadapted to project an image of a section of the tape as it passesthrough said system with the images of the tape characters travelinghorizontally across said screen in normal upright relation, and means toproject images ofsaid sections of tape on different respective parts ofthe screen, said last named means including means preventing thesuperimposition of images on the screen.

10. An apparatus for projecting images of the 60 characters writtenlengthwise on stock ticker tape, said apparatus comprising a pluralityof projection systems arranged in a horizontal plane, a guide throughwhich said tape is passed, said guide having light apertures, a screenupon 65 which each system is adapted to project an image of a section ofthe tape as it passes through said system with the images of the tapecharacters traveling horizontally across said screen in normal uprightrelation, and means to project 70 images of said sections of tape ondiiferent respective parts of the screen, said last named meansincluding means preventing the superimposition of images upon thescreen.

11. In a system for projecting images of the 75 characters writtenlengthwise on stock ticker tape, the combination with a projectionfield. through which said tape is movable, oi means for passing lightfor projecting purposes into engagement with the tape section in saidprojection field, and means for projecting a; plurality of images ofeach character on the tape as the latter passes through said projectionfield, said images traveling horizontally in their respective imageplanes in normal uprght relation, the projecting means causing theimages in one image plane to move horizontally therethrough free frominterference with the images moving horizontally through another imageplane.

12. In a system for projecting images of the characters writtenlergthwise on stock ticker tape, the combination with a projection fieldthrough which said tape is movable, means for passing light forprojecting purposes into engagement with the tape section in saidprojection field, and means comprising objective lenses for producing aplurality of images of each characterm the tape, said images travelinghorizontally in their respective image planes in normal uprightrelation, the light path leading to each image plane including one ofsaid objective lenses and each of said objective lenses forming an imageof each of said characters.

13. In a system for projecting images onto a screen, a projection fieldcomprising a plurality of zones, means for passing light for projectingpurposes into said zones, 9. screen structure, and means for projectingimages of said zones and any characters therein onto saids'creenstructure, said means comprising reflecting means serving to arrange theimages of the zones on the screen structure in a relation difierent withrespect to each other than the relation occupied by said zones in theprojection field.

14. The combination with a ticker tape having printed thereon a singlerow of successive configurations, of a projection field through whichsaid tape is movable, means for passing light for projecting purposesinto engagement with the tape section in said projection field, aplurality of lenses spaced to receive light from diilerent respectivesections of said tape, a screen upon which images of the printed matterare projected, and means for preventing the superimposition upon saidscreen of any image upon another image including reflecting means for intercepting the images projected from some of said lenses and directingthem onto said screen to reproduce the printed matter on said tape inits original order of printing.

AUSTIN K. HANKS.

